$419+ Cheap flights from O'Hare Intl (ORD) to Chiang Mai (CNX)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNX
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from O'Hare Intl to Chiang Mai with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from O'Hare Intl to Chiang Mai
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One-way
Cheapest flights from O'Hare Intl to Chiang MaiExplore the most affordable flight options available from O'Hare Intl to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from O'Hare Intl to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This KAYAK deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:00 pm
ORD
- CNX
1 stop38h 40m
Cathay Pacific
Sat 9/1210:30 am
CNX
- ORD
1 stop39h 50m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$752
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/294:15 pm
ORD
- CNX
1 stop38h 25m
Cathay Pacific
Thu 4/2310:30 am
CNX
- ORD
1 stop39h 25m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$798
This oojo deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Wed 9/3011:35 am
CNX
- ORD
1 stop21h 10m
EVA Air
Deal found 2/3![EVA Air logo]()
$824
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/34:15 pm
ORD
- CNX
1 stop29h 30m
Cathay Pacific
Sun 5/3110:30 am
CNX
- ORD
1 stop39h 25m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$827
This FlightHub deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Tue 9/2911:35 am
CNX
- ORD
1 stop21h 10m
EVA Air
Deal found 2/3![EVA Air logo]()
$829
This oojo deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Wed 9/3011:35 am
CNX
- ORD
1 stop21h 10m
EVA Air
Deal found 2/3![EVA Air logo]()
$862
This Booking.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:45 pm
ORD
- CNX
2 stops29h 30m
Multiple Airlines
Wed 9/303:30 pm
CNX
- ORD
2 stops29h 10m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$864
This KAYAK deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Thu 10/111:35 am
CNX
- ORD
1 stop21h 10m
EVA Air
Deal found 2/3![EVA Air logo]()
$865
This FlightHub deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Tue 9/2911:35 am
CNX
- ORD
1 stop21h 10m
EVA Air
Deal found 2/3![EVA Air logo]()
$867
This Expedia deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:45 pm
ORD
- CNX
2 stops32h 00m
Multiple Airlines
Sun 9/68:00 pm
CNX
- ORD
2 stops30h 55m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$877
This FlightHub deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:30 am
ORD
- CNX
2 stops25h 15m
EVA Air
Tue 9/2911:35 am
CNX
- ORD
1 stop21h 10m
EVA Air
Deal found 2/3![EVA Air logo]()
$891
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Sun 4/268:00 pm
CNX
- ORD
2 stops37h 00m
EVA Air
Deal found 2/1![EVA Air logo]()
$892
Best flights from O'Hare Intl to Chiang MaiDiscover carefully curated flight deals from O'Hare Intl to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from O'Hare Intl to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Sun 4/268:00 pm
CNX
- ORD
2 stops37h 00m
EVA Air
Deal found 2/1![EVA Air logo]()
$892
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:30 am
ORD
- CNX
2 stops26h 20m
Multiple Airlines
Sun 4/262:35 pm
CNX
- ORD
2 stops42h 25m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$928
This Gotogate deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:10 pm
ORD
- CNX
1 stop28h 00m
Etihad Airways
Tue 3/178:50 am
CNX
- ORD
1 stop35h 45m
Etihad Airways
Deal found 2/1![Etihad Airways logo]()
$951
This FlightHub deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:30 pm
ORD
- CNX
2 stops30h 30m
EVA Air
Wed 3/1111:50 am
CNX
- ORD
1 stop20h 45m
EVA Air
Deal found 2/2![EVA Air logo]()
$896
This Expedia deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:50 am
ORD
- CNX
2 stops33h 30m
Multiple Airlines
Sun 5/318:00 pm
CNX
- ORD
2 stops30h 55m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$930
This Gotogate deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/52:00 pm
ORD
- CNX
1 stop28h 25m
Etihad Airways
Sun 4/129:30 am
CNX
- ORD
1 stop35h 05m
Etihad Airways
Deal found 2/2![Etihad Airways logo]()
$988
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1811:30 pm
ORD
- CNX
2 stops46h 50m
EVA Air
Wed 3/1112:10 pm
CNX
- ORD
2 stops44h 25m
EVA Air
Deal found 2/1![EVA Air logo]()
$928
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/912:30 am
ORD
- CNX
1 stop22h 05m
EVA Air
Tue 3/1712:10 pm
CNX
- ORD
2 stops44h 25m
EVA Air
Deal found 2/1![EVA Air logo]()
$936
This FlightHub deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:30 am
ORD
- CNX
2 stops30h 30m
EVA Air
Wed 3/187:45 pm
CNX
- ORD
2 stops36h 50m
EVA Air
Deal found 2/1![EVA Air logo]()
$1,023
Last-minute flights from O'Hare Intl to Chiang MaiDiscover last-minute flight deals from O'Hare Intl to Chiang Mai. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Chiang Mai. Data last updated February 3, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1811:30 pm
ORD
- CNX
2 stops46h 50m
EVA Air
Wed 3/1111:50 am
CNX
- ORD
1 stop20h 45m
EVA Air
Deal found 2/2![EVA Air logo]()
$896
This oojo deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:30 pm
ORD
- CNX
1 stop22h 05m
EVA Air
Wed 4/111:35 am
CNX
- ORD
1 stop21h 25m
EVA Air
Deal found 2/3![EVA Air logo]()
$975
This FlightHub deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:30 pm
ORD
- CNX
1 stop22h 05m
EVA Air
Thu 4/211:35 am
CNX
- ORD
1 stop21h 25m
EVA Air
Deal found 2/3![EVA Air logo]()
$981
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/912:30 am
ORD
- CNX
1 stop22h 05m
EVA Air
Tue 3/1712:10 pm
CNX
- ORD
2 stops44h 25m
EVA Air
Deal found 2/1![EVA Air logo]()
$936
This Gotogate deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:10 pm
ORD
- CNX
1 stop28h 00m
Etihad Airways
Tue 3/178:50 am
CNX
- ORD
1 stop35h 45m
Etihad Airways
Deal found 2/1![Etihad Airways logo]()
$951
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/152:10 pm
ORD
- CNX
1 stop28h 00m
Etihad Airways
Tue 3/248:50 am
CNX
- ORD
1 stop35h 45m
Etihad Airways
Deal found 2/2![Etihad Airways logo]()
$958
This FlightHub deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2812:30 am
ORD
- CNX
2 stops25h 15m
EVA Air
Thu 4/2311:35 am
CNX
- ORD
1 stop21h 25m
EVA Air
Deal found 2/2![EVA Air logo]()
$930
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/294:15 pm
ORD
- CNX
1 stop38h 25m
Cathay Pacific
Thu 4/2310:30 am
CNX
- ORD
1 stop39h 25m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$798
One-way flights from O'Hare Intl to Chiang MaiSearch for one-way flight options from O'Hare Intl to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from O'Hare Intl to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:31 pm
ORD
- CNX
2 stops50h 19m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:45 pm
ORD
- CNX
3 stops53h 55m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$448
This oojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/612:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Deal found 2/1![EVA Air logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:35 pm
ORD
- CNX
1 stop39h 15m
Cathay Pacific
Deal found 2/3![Cathay Pacific logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/171:10 pm
ORD
- CNX
2 stops44h 35m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$468
This Trip.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/152:10 pm
ORD
- CNX
3 stops32h 55m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$481
This Trip.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/153:35 pm
ORD
- CNX
1 stop30h 15m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$518
This Korean Air deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1711:25 am
ORD
- CNX
1 stop22h 30m
Korean Air
Deal found 2/2![Korean Air logo]()
$521
Find flight deals from O'Hare Intl to Chiang Mai
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $798 (KAYAK) |
One-way from | $419 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $972 |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Chiang Mai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Chiang Mai that are best for you.
Fly from
O'Hare Intl
Fly to
Chiang Mai
Route
Depart
Return
Price
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Wed 4/15
12:30 am-10:25 am
1 stop21h 55m
Chiang Mai
Sun 4/26
8:00 pm-9:00 pm
2 stops37h 00m
$892
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Wed 3/4
11:30 pm-7:00 pm
2 stops30h 30m
Chiang Mai
Wed 3/11
11:50 am-8:35 pm
1 stop20h 45m
$896
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Wed 4/15
12:30 am-2:50 pm
2 stops26h 20m
Chiang Mai
Sun 4/26
2:35 pm-9:00 pm
2 stops42h 25m
$928
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Wed 2/18
11:30 pm-11:20 am
2 stops46h 50m
Chiang Mai
Wed 3/11
12:10 pm-8:35 pm
2 stops44h 25m
$928
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Sun 5/3
11:50 am-9:20 am
2 stops33h 30m
Chiang Mai
Sun 5/31
8:00 pm-2:55 pm
2 stops30h 55m
$930
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Mon 3/9
12:30 am-10:35 am
1 stop22h 05m
Chiang Mai
Tue 3/17
12:10 pm-8:35 pm
2 stops44h 25m
$936
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Tue 3/10
2:10 pm-6:10 am
1 stop28h 00m
Chiang Mai
Tue 3/17
8:50 am-8:35 am
1 stop35h 45m
$951
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Sun 4/5
2:00 pm-6:25 am
1 stop28h 25m
Chiang Mai
Sun 4/12
9:30 am-8:35 am
1 stop35h 05m
$988
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Wed 3/11
12:30 am-7:00 pm
2 stops30h 30m
Chiang Mai
Wed 3/18
7:45 pm-8:35 pm
2 stops36h 50m
$1,023
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Tue 3/10
7:31 pm-9:50 am
2 stops50h 19m
$419
Showing 1-10 of 17 results
Compare providers for flights from O'Hare Intl to Chiang Mai
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Chiang Mai in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Chiang Mai flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Chiang Mai flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Chiang Mai flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Chiang Mai flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Chiang Mai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from O'Hare Intl to Chiang Mai
Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from O'Hare Intl with our price prediction graph.
ORD-CNX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago O'Hare Intl Airport to Chiang Mai
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How far ahead should I book a flight from Chicago O'Hare Intl Airport to Chiang Mai?
Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Chiang Mai. Price data was last updated on January 30, 2026.
The best time to book flights from Chicago O'Hare Intl Airport to Chiang Mai is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Chiang Mai?
Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Chiang Mai (average of $737). Flying from Chicago O'Hare Intl Airport to Chiang Mai in June is currently the most expensive (average of $1,583). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What’s the top layover airport for flights from Chicago O'Hare Intl Airport to Chiang Mai?
Share of 1-stop round-trip flights from Chicago O'Hare Intl Airport to Chiang Mai chosen by Cheapflights users in the past 12 months, using the same layover each way.
Taipei City (TPE) – chosen by Cheapflights users on 98% of 1-stop itineraries from Chicago O'Hare Intl Airport to Chiang Mai on Cheapflights.
What’s the cheapest layover airport for flights from Chicago O'Hare Intl Airport to Chiang Mai?
Average round-trip fare for 1-stop flights from Chicago O'Hare Intl Airport to Chiang Mai, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Incheon (ICN) is the most affordable 1-stop option, with an average round-trip price of $1,288.
What’s the fastest layover option from Chicago O'Hare Intl Airport to Chiang Mai?
Shortest average travel time for 1-stop one-way flights from Chicago O'Hare Intl Airport to Chiang Mai, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Taipei City (TPE) have the shortest average one-way travel time for 1-stop routes: 22h 05m.
Which airport typically offers the quickest layover for flights from Chicago O'Hare Intl Airport to Chiang Mai?
Average layover duration for 1-stop one-way flights from Chicago O'Hare Intl Airport to Chiang Mai, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Taipei City (TPE) offer the fastest connection on this route, with an average layover time of 2h 43m.
Reviews of airlines servicing Chiang Mai
Get insights into the airlines that provide service to Chiang Mai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Mai. Reviews last updated February 3, 2026.
Peruse reviews from past customers who have flown with EVA Air, Korean Air, and Delta from Chicago O'Hare Intl Airport to Chiang Mai to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.4
Entertainment
8.0
Crew
8.6
Overall
8.5
Food
8.1
Comfort
8.3
Reviews
1 / 20
6.0
GoodHannah,Jan 2026
TPE - SFO
Boarding
8.4
Entertainment
8.0
Crew
8.6
Overall
8.5
Food
8.1
Comfort
8.3
Reviews
1 / 20
6.0
GoodHannah,Jan 2026
TPE - SFO
Boarding
8.4
Entertainment
8.0
Crew
8.6
Overall
8.5
Food
8.1
Comfort
8.3
Reviews
1 / 20
6.0
GoodHannah,Jan 2026
TPE - SFO
Boarding
8.4
Entertainment
8.0
Crew
8.6
Overall
8.5
Food
8.1
Comfort
8.3
Reviews
1 / 20
6.0
GoodHannah,Jan 2026
TPE - SFO
Boarding
8.4
Entertainment
8.0
Crew
8.6
Overall
8.5
Food
8.1
Comfort
8.3
Reviews
1 / 20
6.0
GoodHannah,Jan 2026
TPE - SFO
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Chiang Mai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Other flights to Chiang Mai
Explore flights to Chiang Mai departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 3, 2026.
Complete your trip
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Search flights from O'Hare Intl to Chiang Mai by cabin class
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O'Hare Intl and Chiang Mai flights
Browse other O'Hare Intl and Chiang Mai flight options. Last updated on February 3, 2026.
Other flights from O'Hare Intl
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Top 4 airlines flying from O'Hare Intl to Chiang Mai
Discover the top 4 airlines that operate flights from O'Hare Intl to Chiang Mai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$737 | Average$1,293 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$849 | Average$1,355 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$923 | Average$1,288 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$924 | Average$1,432 | FlexibilityNo cancel fee | On-time74% |